CN217591176U - Dielectric barrier discharge reactor capable of reducing temperature - Google Patents
Dielectric barrier discharge reactor capable of reducing temperature Download PDFInfo
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- CN217591176U CN217591176U CN202221515255.8U CN202221515255U CN217591176U CN 217591176 U CN217591176 U CN 217591176U CN 202221515255 U CN202221515255 U CN 202221515255U CN 217591176 U CN217591176 U CN 217591176U
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- tube
- cooling
- electrode
- reaction tube
- grounding electrode
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- 230000004888 barrier function Effects 0.000 title claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 238000000746 purification Methods 0.000 claims abstract description 16
- 239000002826 coolant Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- 239000006227 byproduct Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011954 pollution control method Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Abstract
The utility model discloses a temperature-reducing dielectric barrier discharge reactor, which comprises a reaction tube, a cooling tube, a purification tube, a high-voltage electrode and a grounding electrode, wherein the upper part of the reaction tube is connected with the upper part of the purification tube through a communicating tube, the high-voltage electrode is arranged in the reaction tube through a sealing plug, the bottom of the reaction tube is provided with a gas inlet, the grounding electrode is sleeved outside the reaction tube and corresponds to the high-voltage electrode, the cooling tube is sleeved outside the grounding electrode, and the cooling tube is provided with a cooling medium inlet and a cooling medium outlet; the bottom of the purifying tube is provided with a gas outlet, the top of the purifying tube is sealed, and the high-voltage electrode and the grounding electrode are connected with a power supply; the utility model discloses the device has been solved and has been producing the problem that low temperature plasma in-process reactor temperature risees influence catalyst activity to can purify the gas in succession, this device simple structure is suitable for industrial production and marketing application.
Description
Technical Field
The utility model belongs to the technical field of low temperature plasma, specifically be a dielectric barrier discharge reactor can lower temperature.
Background
High-energy electrons in the low-temperature plasma bombard substance molecules, so that molecular bonds can be opened, the substances are ionized, dissociated and excited, a series of physical and chemical reactions are initiated, even reactions which cannot be carried out by conventional thermodynamics can occur, and the gas pollution control method has been widely concerned and researched. However, in the process of generating low-temperature plasma, part of electric energy is converted into heat energy, so that the temperature of the reactor is increased, the activity of the catalyst is influenced, and in the process of treating the target gas by the low-temperature plasma in cooperation with the catalyst, other byproducts are generated and need to be further treated.
SUMMERY OF THE UTILITY MODEL
In order to overcome the in-process reactor temperature rise that produces low temperature plasma, influence catalyst activity to after plasma collaborative catalyst handles, gaseous problem that still need further detach the accessory substance, the utility model provides a but the medium of cooling blocks discharge reactor, and the magazine gas of follow-up production can also be handled to this reactor.
The cooling pipe is provided with a cooling medium inlet and a cooling medium outlet; the bottom of the purifying tube is provided with a gas outlet, the top of the purifying tube is sealed, and the high-voltage electrode and the grounding electrode are connected with a power supply.
The grounding electrode is a cylindrical electrode, and the cooling pipe is a sandwiched cylinder.
The top seal of the purification tube is sealed by a sealing plug.
When the device is used, a conventional catalyst is placed in a reaction tube and a purification tube, the reaction tube is provided with the conventional catalyst for removing a target object in gas, the purification tube is provided with the catalyst for removing other byproduct gases generated after the treatment of the reaction tube, and a conventional cooling medium (water and the like) is introduced into a cooling tube.
The utility model discloses an advantage and technological effect:
the device of the utility model is adopted to treat the gas to be purified containing various impurities, the gas is ionized and excited in the discharge area, pollutants in the gas are removed under the synergistic action of the catalyst, and then the gas enters the purifying tube to realize the purification of the subsequent byproduct gas, partial electric energy in the discharge area is converted into heat energy in the process, and the temperature of the discharge area is controlled by exchanging heat through the cooling medium; the device can avoid the problem that the temperature of the reactor rises in the process of generating low-temperature plasma to influence the activity of the catalyst, has simple structure, and is suitable for industrial production and market popularization and application.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present invention;
FIG. 2 is a schematic view of the structure of the apparatus in use;
in the figure: 1-a reaction tube; 2-a cooling pipe; 3-a purification pipe; 4-a high voltage electrode; 5-a ground electrode; 6, communicating a pipe; 7-a sealing plug; 8-gas inlet; 9-cooling medium inlet; 10-a cooling medium outlet; 11-gas outlet; 12-catalyst.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples, but the scope of the present invention is not limited to the contents.
Example 1: as shown in fig. 1, the temperature-lowering dielectric barrier discharge reactor comprises a reaction tube 1, a cooling tube 2, a purification tube 3, a high-voltage electrode 4 and a grounding electrode 5, wherein the reaction tube 1 is a hollow round tube, the top of the reaction tube is sealed by a sealing plug 7 (rubber plug), the high-voltage electrode 4 passes through the sealing plug 7 and is arranged in the reaction tube 1, the high-voltage electrode is a stainless steel electrode, the bottom of the reaction tube 1 is provided with a gas inlet 8, a gas outlet at the upper part of the reaction tube 1 is connected with a gas inlet at the upper part of the purification tube 3 by a communicating tube 6, the top of the purification tube 3 is sealed by the sealing plug, the bottom of the purification tube 3 is provided with a gas outlet 11, the cylindrical stainless steel grounding electrode 5 is sleeved outside the reaction tube 1 and corresponds to the high-voltage electrode, the cooling tube 2 is sleeved outside the grounding electrode 5, the cooling tube is a cylinder with an interlayer, namely, the grounding electrode is clamped between the outer wall of the reaction tube and the inner wall of the cooling tube; the lower part of the cooling pipe 2 is provided with a cooling medium inlet 9, the upper part of the cooling pipe is provided with a cooling medium outlet 10 which are communicated with the interlayer, and the high-voltage electrode and the grounding electrode are connected with a power supply;
the reactor is used for treating natural gas containing COS, and as shown in FIG. 2, a discharge region of a reaction tube is filled with a specific catalyst for removing COS, and a purification tube is filled with a specific catalyst for removing SO 2 The catalyst 12 is used for introducing gas to be treated containing COS into the reaction tube 1 from the gas inlet 8, the gas passes through the discharge region, and under the combined action of low-temperature plasma and the catalyst, the COS in the gas is converted into SO 2 And CO and the like, wherein in the reaction process, water with the temperature of 25 ℃ is introduced into the cooling pipe for adjusting the temperature of the reaction pipe, the gas after the reaction enters the purifying pipe 3 through the communicating pipe 6, and trace SO generated in the COS purifying process is further removed under the action of a catalyst 2 The by-product, purified gas, is discharged from the gas outlet 11.
It should be finally noted that the above contents are only used for illustrating the technical solutions of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can simply modify or equally replace the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. A temperature-lowering dielectric barrier discharge reactor is characterized in that: the device comprises a reaction tube (1), a cooling tube (2), a purification tube (3), a high-voltage electrode (4) and a grounding electrode (5), wherein the upper part of the reaction tube (1) is connected with the upper part of the purification tube (3) through a communicating pipe (6), the high-voltage electrode (4) is arranged in the reaction tube (1) through a sealing plug (7), the bottom of the reaction tube (1) is provided with a gas inlet (8), the grounding electrode (5) is sleeved outside the reaction tube (1) and corresponds to a discharge electrode, the cooling tube (2) is sleeved outside the grounding electrode (5), and the cooling tube (2) is provided with a cooling medium inlet and a cooling medium outlet; the bottom of the purifying tube (3) is provided with a gas outlet (11), the top of the purifying tube is sealed, and the high-voltage electrode and the grounding electrode are connected with a power supply.
2. The coolable dielectric barrier discharge reactor of claim 1, wherein: the grounding electrode (5) is a cylindrical electrode, and the cooling pipe is a sandwiched cylinder.
3. The coolable dielectric barrier discharge reactor of claim 1, wherein: the top of the purification tube is sealed by a sealing plug.
4. The coolable dielectric barrier discharge reactor of claim 1, wherein: when the device is used, a catalyst is placed in the reaction tube (1) and the purification tube (3), and a cooling medium is introduced into the cooling tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221515255.8U CN217591176U (en) | 2022-06-17 | 2022-06-17 | Dielectric barrier discharge reactor capable of reducing temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221515255.8U CN217591176U (en) | 2022-06-17 | 2022-06-17 | Dielectric barrier discharge reactor capable of reducing temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217591176U true CN217591176U (en) | 2022-10-14 |
Family
ID=83529518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221515255.8U Active CN217591176U (en) | 2022-06-17 | 2022-06-17 | Dielectric barrier discharge reactor capable of reducing temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217591176U (en) |
-
2022
- 2022-06-17 CN CN202221515255.8U patent/CN217591176U/en active Active
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